Home / 1,190,838,781.88-1,786,461,675.35-490,948,322.06

Finding the Fourth Proportional to 1,190,838,781.88, 1,786,461,675.35 and 490,948,322.06

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Solution

The fourth proportional to 1,190,838,781.88, 1,786,461,675.35 and 490,948,322.06 is: 736,506,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,838,781.88 : 1,786,461,675.35 = 490,948,322.06 : x
  2. Step 2: Convert to fraction form
    1,190,838,781.88/1,786,461,675.35 = 490,948,322.06/x
  3. Step 3: Cross multiply
    1,190,838,781.88x = 1,786,461,675.35 × 490,948,322.06
  4. Step 4: Simplify right side
    1,190,838,781.88x = 877,060,361,937,578,880
  5. Step 5: Solve for x
    x = 877,060,361,937,578,880/1,190,838,781.88
  6. Step 6: Final answer
    x = 736,506,381.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.